diff --git a/README.md b/README.md
index 97ca129..3ae3490 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,8 @@ Run build script under linux build-all.sh\
 For build web page need install npm and yarn\
 For instal yarn: _npm i -g yarn_ after install npm\
 For build android server need android toolchain\
-Download android ndk and copy android-ndk-XXX/toolchains/llvm/prebuilt/linux-x86_64 dir to source, rename it to toolchain
+Download android ndk and change NDK_TOOLCHAIN in build.sh to\
+path/to/Android/sdk/ndk/ver/toolchains/llvm/prebuilt/platform
 
 #
 ### Server args:
diff --git a/build-all.sh b/build-all.sh
index 3ef5369..fbc4d7e 100755
--- a/build-all.sh
+++ b/build-all.sh
@@ -90,7 +90,7 @@ declare -a COMPILERS=(
   "amd64:x86_64-linux-android21-clang"
 )
 
-export NDK_TOOLCHAIN=$ROOT/toolchain
+export NDK_TOOLCHAIN=/Users/yourok/Library/Android/sdk/ndk/23.1.7779620/toolchains/llvm/prebuilt/darwin-x86_64
 
 GOOS=android